{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7"
            },
            {
              "fixed": "3684e2273ba94553af3c5195a46a50214a1a96e3"
            },
            {
              "fixed": "0662b1ff9b383d5a233d344e4dc518c27a17f7b8"
            },
            {
              "fixed": "34fa4c1c6e10507dc60e35a82cc9655666946cfd"
            },
            {
              "fixed": "a58593b501b7be5ad2bc5181bfa8cd4599be257c"
            },
            {
              "fixed": "f1c57f5b16bbc3571bd479c290996c4d4e1fb931"
            },
            {
              "fixed": "4bcb371019097d0e357f097902587401c509bbc9"
            },
            {
              "fixed": "fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6"
            },
            {
              "fixed": "aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.18.0"
            },
            {
              "fixed": "5.10.271"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.222"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.55"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98553.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nautofs: fix sbi-\u003epipe file reference leak in autofs_kill_sb()\n\nWhen autofs_fill_super() fails before clearing AUTOFS_SBI_CATATONIC (for\nexample, when find_get_pid() fails on an invalid pgrp mount option, or\nwhen an fs_context is closed before mounting), deactivate_locked_super()\ninvokes autofs_kill_sb() -\u003e autofs_catatonic_mode(sbi).\n\nBecause AUTOFS_SBI_CATATONIC is still set in sbi-\u003eflags,\nautofs_catatonic_mode() returns early without calling fput(sbi-\u003epipe),\npermanently leaking the pipe struct file reference.\n\nExplicitly release sbi-\u003epipe in autofs_kill_sb() if it is still non-NULL\nafter autofs_catatonic_mode().",
  "id": "CVE-2026-98553",
  "modified": "2026-10-20T02:31:05.896993114Z",
  "published": "2026-10-18T15:18:20.728Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0662b1ff9b383d5a233d344e4dc518c27a17f7b8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34fa4c1c6e10507dc60e35a82cc9655666946cfd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3684e2273ba94553af3c5195a46a50214a1a96e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4bcb371019097d0e357f097902587401c509bbc9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a58593b501b7be5ad2bc5181bfa8cd4599be257c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f1c57f5b16bbc3571bd479c290996c4d4e1fb931"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98553.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98553"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "autofs: fix sbi-\u003epipe file reference leak in autofs_kill_sb()"
}